Senior Proprietary Trader

About G20 Group

The G-20 Group is a pioneer in Quantitative Trading systems in cross-asset markets. Headquartered in Switzerland, we operate at the intersection of Quantitative Research, Software Engineering and Trading. The team combines a startup mindset with extensive experience in proprietary Trading, Technology and Quantitative Finance.

Role Overview

We are seeking an experienced Senior Proprietary Trader to identify, risk-manage, and execute directional trading opportunities in linear and derivative markets. You will run a defined risk book (or multiple strategies) with significant autonomy, focusing on repeatable edge, disciplined risk management, and strong execution.

Key Responsibilities

Idea generation & trade construction

• Develop discretionary trade theses using macro, fundamentals, positioning/flows, technicals, and/or volatility signals.

• Structure trades in spot and/or options (directional, relative value, volatility, event-driven, carry).

Execution

• Execute trades efficiently with strong attention to market microstructure, liquidity, slippage, and order types.

• Work with brokers/venues/OTC counterparties as applicable; maintain execution hygiene and best practices.

Risk management

• Own daily risk: position sizing, stop/exit discipline, scenario analysis, hedging, and tail-risk thinking.

• Maintain and respect hard risk limits (VAR/expected shortfall, Greeks, drawdowns, concentration, liquidity).

Performance & review

• Track P&L drivers, hit rate, expectancy, drawdowns, and attribution by strategy and regime.

• Conduct post-trade reviews, refine playbooks, and document frameworks for repeatability.

Collaboration & infrastructure

• Partner with risk, operations, compliance, and technology to ensure clean trade capture and controls.

• Contribute to improving tooling (dashboards, alerts, execution workflows) and market intelligence.

What Success Looks Like

• Demonstrates a clear, defensible edge with consistent decision-making and strong process discipline.

• Produces attractive risk-adjusted returns while staying within limits and minimizing operational issues.

• Communicates positions, risks, and scenarios crisply; maintains a well-documented trading playbook.

Risk & Controls Expectations

• Operate within predefined constraints (e.g., max gross/net exposure, Greeks limits, max daily/weekly drawdown).

• Maintain a robust trading journal and risk notes for significant positions.

• Escalate material risk events promptly and proactively.

• Degree in Quantitative Finance, Mathematics, Computer Science, Statistics, or a related quantitative field.

• 5+ years professional trading experience (prop, hedge fund, family office) OR demonstrable audited track record.

• Proven ability to generate and manage discretionary P&L in spot and/or options.

• Strong practical understanding of:

• Market structure, liquidity, execution tactics

• Risk management (drawdowns, stress/scenario testing, hedging)

• For options: volatility, skew, term structure, Greeks, payoff engineering

• Highly disciplined, calm under pressure, and accountable for outcomes.

• Strong written and verbal communication; ability to explain trades and risks clearly.

Preferred / Desirable Experience

• Experience across multiple regimes (risk-on/off, crisis, high/low vol).

• Event-driven options trading (earnings, macro releases) or structured volatility strategies.  
  
  Ability to use data tools (Excel, Python, SQL) for research, journaling, and analytics.

• Familiarity with systematic overlays (signals to inform discretionary timing).

Deadline for application: December 19, 2025

Location and Right to Work: This role will be based in our Zurich office. Only candidates who possess the pre-existing right to work in Switzerland need apply.

Join G-20 and be a part of a team that is at the forefront of financial markets, driving innovation and excellence in the sector.